DIFF Subgroup
G03C 7/04 Additive processes using colour screens; Materials therefor; Preparing or processing such materials
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes > Additive processes using colour screens; Materials therefor; Preparing or processing such materials
CPC:
Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes (diffusion transfer processes G03C8/00) > Additive processes using colour screens; Materials therefor; Preparing or processing such materials
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
Child Classifications
Navigate with arrow keys, Enter to open